1. State Intergovernmental Aid Formulas
Systems / Student-Focused Approach (Next Wave???)
???
Adequacy (1980s/90s to Current)
Professional Judgment
Successful Schools
Evidence-Based
Cost-function (Econometrics)
Equity (Mid-20th Century to 1980s/90s)
District Power Equalization / Guaranteed-Tax Base
Full State Funding
Flat Grants
Foundation Program
Local Control (Colonial Era to 20th Century)
Old Deluder Satan Law
(Cubberley, )

7. State Intergovernmental Aid Formulasdc
(Griffith, ECS, 2016)

10. Source: WestEd

11. (Edunomics Lab, 2017)